Champagne flute



FIG. 1 is a front side elevational view of a champagne flute showing my new design, the rear side view being substantially identical therewith;

FIG. 2 is a right side view thereof, the left side view being substantially identical therewith;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a champagne flute, as shown and described. 